Which is cheaper — Justworks or ADP TotalSource?

Justworks publishes flat rates of $59 to $99 per employee per month, making it easy to calculate total cost. ADP TotalSource requires a custom quote. For small businesses, Justworks is typically more cost-effective. At larger employee counts, ADP TotalSource pricing can become competitive. The only way to compare accurately is to get quotes from both.

Is Justworks or ADP TotalSource better for a startup?

Justworks is the typical recommendation for startups. The flat-rate pricing is easy to budget, onboarding is fast, and health insurance access is competitive for small teams. ADP TotalSource is better suited for established businesses with more complex HR and payroll needs.

Both are CPEO certified — do they offer the same tax protections?

Yes. Both Justworks and ADP TotalSource hold IRS CPEO certification, meaning both assume sole liability for federal employment taxes on wages paid. Both undergo annual independent audits. From a tax protection standpoint, CPEO status provides the same fundamental protections at both companies.

Can Justworks handle multi-state payroll as well as ADP TotalSource?

Yes. Justworks serves all 50 states and handles multi-state payroll compliance. For businesses with very complex multi-state payroll situations — multiple entities, large headcounts, sophisticated payroll structures — ADP TotalSource has deeper enterprise infrastructure. Most multi-state SMBs will find Justworks fully capable.

Justworks vs ADP TotalSource (2026): PEO Comparison | PEO Authority

Justworks

Simple, transparent PEO built for growing teams

IRS CPEO CertifiedEst. 2012

ADP TotalSource

Enterprise-grade PEO backed by the ADP payroll infrastructure

IRS CPEO CertifiedEst. 1949

Our Pick: Justworks|

For startups and smaller SMBs, Justworks is the stronger recommendation.

Side-by-Side Comparison

Feature

Justworks

ADP TotalSource

IRS CPEO Certified

Yes

Pricing Model

Flat rate — $59 to $99 PEPM

Custom quote

Price Transparency

High — published rates

Low — custom quote required

Best For

Startups and SMBs (1-500)

Mid to enterprise (10-1,000+)

Coverage

All 50 states

Payroll Technology

Modern proprietary platform

ADP enterprise payroll system

Reporting and Analytics

Standard reporting

Enterprise-grade reporting

Brand Recognition

Growing — well-regarded in PEO

Most recognized payroll brand in US

Onboarding Speed

Fast — days to weeks

Longer implementation timeline

Platform Simplicity

Simple, intuitive UI

Feature-rich but more complex

Justworks Overview

Justworks

New York, NY · Est. 2012

CPEO ✓

Best For

Startups and SMBs wanting transparent pricing and strong health benefits

Pricing

$59 to $99 per employee per month (flat rate)

Strengths

✓Flat-rate transparent pricing — easy to budget

✓IRS CPEO certified

✓Modern fast onboarding and employee self-service

✓Excellent health insurance access for small teams

Considerations

−Less suited for complex enterprise payroll needs

−Smaller company than ADP with less brand recognition

View full Justworks profile

ADP TotalSource Overview

ADP TotalSource

Roseland, NJ · Est. 1949

CPEO ✓

Best For

Established businesses wanting enterprise payroll technology and ADP reliability

Pricing

Custom quote — competitive enterprise pricing

Strengths

✓ADP brand name and enterprise payroll depth

✓IRS CPEO certified with comprehensive compliance tools

✓Strong reporting, analytics, and system integrations

✓Scales from mid-size to enterprise

Considerations

−No published pricing — custom quote required

−May feel complex for simpler business needs

View full ADP TotalSource profile

Our Verdict

✦Our Pick: Justworks

For startups and smaller SMBs, Justworks is the stronger recommendation. The transparent flat-rate pricing, fast onboarding, and modern platform make it easy to get started and easy to budget. ADP TotalSource is the better choice for established mid-size and enterprise businesses that need deep payroll infrastructure, analytics, and the compliance depth of the ADP ecosystem. Under 200 employees wanting simplicity — choose Justworks. Complex business with sophisticated payroll needs — choose ADP TotalSource.

Choose Justworks if...

Choose Justworks if you are a startup or SMB that wants transparent pricing, fast setup, and a simple modern PEO experience without complex enterprise payroll infrastructure.

Choose ADP TotalSource if...

Choose ADP TotalSource if your business is established, has complex payroll needs, wants enterprise-grade reporting, or is already embedded in the ADP ecosystem.

Frequently Asked Questions

Editorial Independence

This comparison is editorially independent. Featured placements elsewhere on PEO Authority are paid visibility — they do not influence comparison verdicts or analysis. All information is based on publicly available data and IRS CPEO certification records.

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